/* === Satoshi Savers - Design System === */
:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-input: #1a1a28;
  --bg-hover: #1e1e30;
  --border: #2a2a3d;
  --border-active: #f7931a;
  --text: #e4e4ef;
  --text-muted: #8888a0;
  --text-hint: #6666a0;
  --accent: #f7931a;
  --accent-glow: rgba(247, 147, 26, 0.15);
  --accent-hover: #ff9f33;
  --success: #22c55e;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
}

/* === Screens === */
.screen { display: none; animation: fadeIn 0.4s ease; }
.screen.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Hero / Landing === */
.hero {
  text-align: center;
  padding: 60px 20px;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  font-size: 48px;
  color: var(--accent);
  text-shadow: 0 0 30px var(--accent-glow);
}
.logo h1 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), #ffd700);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  font-size: 18px;
  color: var(--text-muted);
  font-weight: 300;
}

.subtitle {
  max-width: 500px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.trust-badges {
  display: flex;
  gap: 24px;
  margin: 10px 0;
  flex-wrap: wrap;
  justify-content: center;
}

.badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}
.badge-icon { font-size: 16px; }

.note {
  font-size: 12px;
  color: var(--text-hint);
}

/* === Progress === */
#progress-container {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
#progress-container.hidden { display: none; }

.progress-bar {
  height: 4px;
  background: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #ffd700);
  border-radius: 4px;
  transition: width 0.5s ease;
  width: 0%;
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-hint);
}
.progress-steps .step-dot {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: default;
}
.progress-steps .step-dot.active { color: var(--accent); }
.progress-steps .step-dot.done { color: var(--success); }

/* === Step Content === */
.step-content {
  padding: 20px 0;
}

.step-header {
  margin-bottom: 32px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.step-header h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-header p {
  color: var(--text-muted);
  font-size: 14px;
}

/* === Forms === */
.form-group {
  margin-bottom: 28px;
}

.form-group > label {
  display: block;
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 8px;
}

.hint {
  font-size: 12px;
  color: var(--text-hint);
  margin-bottom: 8px;
}

input[type="text"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.input-row {
  display: flex;
  gap: 12px;
}
.input-row > * { flex: 1; }

/* === Radio & Checkbox Cards === */
.radio-grid, .checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
}

.radio-card, .check-card {
  display: block;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
}

.radio-card:hover, .check-card:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.radio-card input, .check-card input {
  display: none;
}

.radio-card input:checked + span,
.check-card input:checked + span {
  color: var(--accent);
}

.radio-card:has(input:checked),
.check-card:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.check-card small {
  display: block;
  color: var(--text-hint);
  font-size: 11px;
  margin-top: 2px;
}

/* === Special Chars Grid === */
.special-chars-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.char-btn {
  display: block;
  width: 48px;
  height: 48px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.char-btn span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 18px;
  font-weight: 600;
}

.char-btn input { display: none; }

.char-btn:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.char-btn:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
}

/* === Tag Input === */
.tag-input-container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-height: 48px;
  align-items: center;
  cursor: text;
}

.tag-input-container:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--accent-glow);
  border: 1px solid var(--border-active);
  border-radius: 20px;
  font-size: 13px;
  color: var(--accent);
}

.tag-remove {
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.tag-remove:hover { opacity: 1; }

.tag-input {
  border: none !important;
  background: transparent !important;
  padding: 4px !important;
  flex: 1;
  min-width: 120px;
  outline: none;
  box-shadow: none !important;
}

/* === Date Entries === */
.date-entries { display: flex; flex-direction: column; gap: 8px; }
.date-entry {
  display: flex;
  gap: 8px;
}
.date-entry .date-label { flex: 1; }
.date-entry .date-value { flex: 1; }

.btn-add {
  background: none;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  margin-top: 8px;
  transition: all 0.2s;
}
.btn-add:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* === Confidence Slider === */
.confidence-slider {
  padding: 8px 0;
}

.confidence-slider input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 3px;
  outline: none;
}

.confidence-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-glow);
}

.confidence-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-hint);
}

#confidence-value {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
}

/* === Buttons === */
.btn-primary {
  padding: 14px 32px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.btn-secondary {
  padding: 14px 32px;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.nav-buttons {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* === Results === */
.result-icon {
  background: var(--success) !important;
  font-size: 20px !important;
}

.result-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.result-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

.result-preview h3 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text);
}

.summary-section {
  margin-bottom: 16px;
}

.summary-section h4 {
  font-size: 12px;
  color: var(--text-hint);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.summary-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.summary-tag {
  padding: 3px 8px;
  background: var(--bg-input);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.result-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.result-note {
  font-size: 12px;
  color: var(--text-hint);
  line-height: 1.6;
}

/* === Responsive === */
@media (max-width: 600px) {
  .app { padding: 12px; }
  .hero { padding: 40px 12px; }
  .logo h1 { font-size: 28px; }
  .trust-badges { flex-direction: column; gap: 8px; }
  .radio-grid, .checkbox-grid { grid-template-columns: 1fr; }
  .input-row { flex-direction: column; }
  .result-stats { grid-template-columns: 1fr; }
  .result-actions { flex-direction: column; }
  .nav-buttons { flex-direction: column-reverse; }
  .nav-buttons button { width: 100%; }
  .date-entry { flex-direction: column; }
}

/* === Password DNA Panel === */
.dna-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 28px;
  animation: fadeIn 0.4s ease;
}

.dna-header {
  margin-bottom: 20px;
}

.dna-icon {
  font-size: 24px;
  margin-right: 8px;
}

.dna-header h3 {
  display: inline;
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(135deg, #00d4aa, #00b4d8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dna-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.dna-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.dna-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-hint);
  margin-bottom: 6px;
}

.dna-value {
  font-size: 14px;
  font-weight: 600;
  color: #00d4aa;
  word-break: break-all;
}

.dna-breakdown {
  margin-top: 12px;
}

.dna-pw-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 12px;
}

.dna-pw-original {
  font-family: monospace;
  color: var(--text-muted);
  min-width: 140px;
}

.dna-pw-segments {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
}

.dna-seg {
  padding: 2px 6px;
  border-radius: 3px;
  font-family: monospace;
  font-size: 11px;
  font-weight: 500;
}

.dna-seg.word { background: rgba(0, 212, 170, 0.15); color: #00d4aa; }
.dna-seg.number { background: rgba(247, 147, 26, 0.15); color: #f7931a; }
.dna-seg.special { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.dna-seg.separator { background: rgba(100, 100, 140, 0.15); color: #8888a0; }

.dna-legend {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 11px;
}

.dna-legend span::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  margin-right: 4px;
}

.dna-legend .leg-word::before { background: #00d4aa; }
.dna-legend .leg-number::before { background: #f7931a; }
.dna-legend .leg-special::before { background: #a855f7; }

@media (max-width: 600px) {
  .dna-grid { grid-template-columns: 1fr 1fr; }
}

/* === Memory Trigger Prompts === */
.context-prompt {
  background: linear-gradient(135deg, rgba(247, 147, 26, 0.08), rgba(255, 215, 0, 0.04));
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin-bottom: 28px;
}

.memory-trigger {
  color: var(--text-muted);
  font-size: 14px;
  font-style: italic;
  line-height: 1.7;
}

/* === Utility === */
.hidden { display: none !important; }

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  background: var(--success);
  color: #000;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2s forwards;
}

@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(-50%) translateY(20px); } }